It Follows was changed from theatrical run to home video release. In theaters, the music was dynamic and overpowered any background sound effects. On all home video versions (in my research) the music has been pushed to the background while sound effects brought up.
I’m not imagining this. Others have noticed it as well. And I have audio recordings (proof) of several of the eight times I saw it in theaters.
I wish they’d just release the original theatrical version.
Despite owning a blu-ray copy, I refuse to watch it because this butchering of the sound has tainted it for me.